--- loncom/interface/lonchat.pm	2003/06/23 22:25:14	1.6
+++ loncom/interface/lonchat.pm	2003/07/24 17:53:59	1.7
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Chat
 #
-# $Id: lonchat.pm,v 1.6 2003/06/23 22:25:14 albertel Exp $
+# $Id: lonchat.pm,v 1.7 2003/07/24 17:53:59 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -29,7 +29,7 @@
 package Apache::lonchat;
 
 use strict;
-use Apache::Constants qw(:common);
+use Apache::Constants qw(:common :http);
 use Apache::loncommon;
 
 sub handler {
@@ -37,6 +37,11 @@ sub handler {
     $r->content_type('text/html');
     $r->send_http_header;
     return OK if $r->header_only;
+    if (! &Apache::lonnet::allowed('plc',$ENV{'request.course.id'}.
+              ($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:'')
+                                   )) {
+        return HTTP_NOT_ACCEPTABLE;
+    }
 
     if ($ENV{'form.newchat'}) {
 	&Apache::lonnet::chatsend(&Apache::lonfeedback::clear_out_html($ENV{'form.newchat'}),$ENV{'form.anonymous'});